Why it works: Carrot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,053 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Stewed Ox-tails
Ingredients
Directions
Prepare
Soak and wash the ox-tails well, then cut them into joints or lengths of 2 or 3 joints.
Cover the ox-tails with cold broth or water and bring to a boil.
Remove the scum, then add salt, pepper, onion, carrots, and parsley.
Simmer and serve
Simmer for 2 hours and 15 minutes, checking for tenderness.
If not tender, continue simmering until fully cooked.
Serve with the vegetables or strain the gravy and thicken it.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Carrot + parsleytop 1% of all pairsSmell alikestrongCooked together8,053 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Pepper + clovetop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Clove + carrottop 5% of all pairsSmell alikestrongCooked together5,873 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
-
Pepper + carrottop 6% of all pairsSmell alikestrongCooked together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Ox-tails
- Collagen in the connective tissue breaks down during long simmering, giving the meat its tender texture and body.
- Onion
- Adds savory aroma and sweetness to the broth as it simmers with the meat.
- Carrots
- Contribute natural sweetness and body to the stew and gravy.
The step that matters
Keep the simmer gentle and check for tenderness. Boiling hard toughens meat proteins and can break the fat into the liquid, leaving the gravy cloudy and greasy. A slow, steady simmer lets collagen soften gradually, so the meat becomes tender without falling apart. Test before deciding it is done.
Swap the onion
How well each one fits the dish's main ingredients (pepper, clove, carrot, parsley):
- Parsnipfits better
- Turnipfits better
- Capsicumfits better
- Onionthe original
Fit is the average pairing score against pepper, clove, carrot, parsley. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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